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Bug#767744: flash-kernel: There is no way to specify a custom dtb



On Mon, 2014-11-03 at 19:10 +0100, Cyril Brulebois wrote:
> Ian Campbell <ijc@hellion.org.uk> (2014-11-03):
> > On Sun, 2014-11-02 at 12:08 +0100, Uwe Kleine-König wrote:
> > > Package: flash-kernel
> > > Version: 3.28
> > > Severity: wishlist
> > > 
> > > Hello,
> > > 
> > > I want to use flash-kernel on a machine that uses a device tree blob that isn't
> > > included in the kernel package. So flash-kernel's assumption to find
> > > /usr/lib/linux-image-$kvers/$dtb_id is wrong.
> > > 
> > > Maybe something like:
> > > 
> > > 	# if dtb_name starts with / assume it's a stand alone file. Otherwise
> > > 	# pick the one shipped by the linux image.
> > > 	if expr "$dtb_name" : "/" >/dev/null; then
> > > 		dtb="$dtb_name" 
> > > 	else
> > > 		dtb="/usr/lib/linux-image-$kvers/$dtb_name"
> > > 	fi
> > > 
> > > would work?
> > 
> > expr isn't a builtin, right? So we don't need to worry about dash vs
> > bash for it and whether the ":" operator is implemented.
> 
> Just use case and match on /*?

Indeed, that would be best I think.

Ian.


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